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spin [16.1K]
3 years ago
9

..............................

Mathematics
2 answers:
Nikitich [7]3 years ago
5 0

Answer:

D y = 9/x

Step-by-step explanation:

An inverse variation is of the form

xy = k where k is a constant

We can write this as

y = k/x

The only equation that is of this form is

D y = 9/x

vivado [14]3 years ago
4 0

Answer:

\boxed{\mathrm{Option \: D}}

Step-by-step explanation:

Inverse variation is written as:

y=\frac{k}{x}

Where k is the constant of proportionality.

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7 meters/20 minutes= x cm/2 hours
meriva

Answer:4,200

Step-by-step explanation:

4 0
3 years ago
Solve.
baherus [9]
The correct answer is:  [C]:  " 5 " .
__________________________________________________________
                                →  " a = 5 " .
__________________________________________________________
Explanation:
__________________________________________________________ 

Given:  " a + 1 <span>− 2 = 4 " ; Solve for "a" ; 

4 + 2 = 6 ; 

6 </span>− 1 = 5 ;   →  a = 5 ;

To check our work:

5 + 1 − 2 = ? 4 ?? ;  

5 + 1 = 6 ; 

6 − 2 = 4.  Yes!

So the answer is:  [C]:  " 5 ". 
_________________________________________________________
                          →   " a = 5 " . 
_________________________________________________________
4 0
3 years ago
Multiply<br> ( 4x + 6y ) to the power of two 2<br> what is the answer?
n200080 [17]

Answer:

2

Step-by-step explanation:

4 0
3 years ago
Paula spent 3/8 of her allowance on clothes and 1/6 on entertainment what fraction of her allowance did she spend on other items
Alexandra [31]
3/8=9/24 and 1/6=4/24
9/24+4/24=13/24
Paula spent 13/24 of her allowance on other items.
8 0
3 years ago
Read 2 more answers
If the sales tax in your city is 11.4%, and an item costs $160 before tax, how much tax would you pay on that item? Round to the
Oksana_A [137]
First we calculate the tax on the item:
11.4%($160) = 11.4(160)/100 = 18.24
hence the tax for the item is $18.24
The total price for the item would be:
160 + 18.24 = 178.24
hence the total price for the item including tax is:
$<span>178.24</span>

7 0
3 years ago
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